(a) (Z4, +). (b) (Z5, .). (c) (Z5, +). (d) (Z4, .). (e) (Z6, .).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 40E
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In which of the listed subgroups with identity is the element 3 equal to its inverse?

 

(a) (Z4;+).
(b) (Z5, .).
(c) (Z5, +).
(d) (Z4, ).
(e) (Z6.).
Transcribed Image Text:(a) (Z4;+). (b) (Z5, .). (c) (Z5, +). (d) (Z4, ). (e) (Z6.).
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